1 INPUT
SELECT:
Slide this switch to either “FIX” or “VAR”. When it is
set to FIX, the input signal is taken straight to the power amplifier’s
circuitry. This setting is normally used in a system with only one power
amplifier or multiple but identical power amplifiers.
When the INPUT SELECT switch is set to “VAR” (Variable), it is possible
to adjust the volume level for both channels simultaneously, using the
INPUT LEVEL CONTROL. This can be useful for:
Level Matching
In a surround sound or system with more than one set of speakers,
differences in levels can occur due to variance inefficiencies between
these speakers. In case your preamplifier or processor also has
individual trims for each channel, set these to neutral or mid position
(usually marked as 0dB). Adjust the INPUT LEVEL CONTROL so that
the speakers driven by the C 275BEE have the correct volume level
compared to the other speakers, judging from your listening position.
Extended Volume Control Range
Many systems have so much voltage gain that the speakers (or your
ears) are overdriven at any volume control setting higher than 11 or 12
o’clock. As a result you are confined to using only the lower half of the
volume control’s range, where adjustments are imprecise and where
channel balance errors tend to be greater.
If the input level is reduced, you can turn up the volume control of
your processor or preamplifier, making more effective use of its range.
(Suggestion: adjust the input level controls so that your preferred
maximum sound levels usually occur at about 2 or 3 o’clock on the
volume control.) As an added benefit, this procedure suppresses any noise
produced by the preamplifier’s high level circuitry (e.g. any residual hum or
hiss that does not go away when the Volume is turned down).
Bi-Amping
Some loudspeakers have separate connection terminals for their LF
(Low Frequency) and HF (High Frequency) sections. Where a separate
power amplifier is used for the LF and HF section, this facility allows to
“Bi-Amp” such speakers which may improve overall sound quality. When
Bi-Amping with different models of power amplifiers, it is likely to occur
that one power amplifier has more “gain” than the other, resulting in a
mismatch in level for the woofer and tweeter of the speaker. Adjust the
level control so that woofer and tweeter are in perfect balance with
each other (identical gain of power amplifiers).
NOTES
·
Always turn OFF the C 275BEE and other components in the system before
connecting or disconnecting anything to the INPUT sockets.
·
When the INPUT SELECT switch is set to “VAR” for the first time, it is
advised that the “INPUT LEVEL CONTROL” level of the C 275BEE or the
volume control level of your preamplifier/processor be set to their
minimum settings. This prevents inadvertently beginning a session at
excessive volume. You can then adjust both controls to your desired
listening level.
2 INPUT:
Connect the output from a pre-amplifier or processor, such as
a surround-sound decoder, to this set of inputs. Use a twin RCA-to-RCA
lead to connect the left and right “Audio Output” of the preamplifier or
processor to these input sockets.
3 INPUT LEVEL CONTROL:
The INPUT LEVEL CONTROL works in
combination with the “VAR” (Variable) input setting. Turn clockwise to
increase the “VAR” (Variable) volume level; counter clockwise to lower it.
IDENTIFICATION OF CONTROLS
REAR PANEL
1
2
3
4
5
6
7
9
10
11
ATTENTION!
Please make sure that the C 275BEE is powered OFF or unplugged before making any connections. It is also advisable to power-down or unplug all
associated components while making or breaking any signal or AC power connections.
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